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path: root/drivers/media/usb/em28xx/em28xx-dvb.c
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Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-dvb.c')
-rw-r--r--drivers/media/usb/em28xx/em28xx-dvb.c84
1 files changed, 82 insertions, 2 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index 13ae821949e..63f2e7070c0 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -331,7 +331,7 @@ static struct drxk_config hauppauge_930c_drxk = {
.load_firmware_sync = true,
};
-struct drxk_config terratec_htc_stick_drxk = {
+static struct drxk_config terratec_htc_stick_drxk = {
.adr = 0x29,
.single_master = 1,
.no_i2c_bridge = 1,
@@ -520,7 +520,10 @@ static void terratec_htc_stick_init(struct em28xx *dev)
{ -1, -1, -1, -1},
};
- /* Init the analog decoder? */
+ /*
+ * Init the analog decoder (not yet supported), but
+ * it's probably still a good idea.
+ */
struct {
unsigned char r[4];
int len;
@@ -547,6 +550,64 @@ static void terratec_htc_stick_init(struct em28xx *dev)
em28xx_gpio_set(dev, terratec_htc_stick_end);
};
+static void terratec_htc_usb_xs_init(struct em28xx *dev)
+{
+ int i;
+
+ struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
+ {EM28XX_R08_GPIO, 0xff, 0xff, 10},
+ {EM2874_R80_GPIO, 0xb2, 0xff, 100},
+ {EM2874_R80_GPIO, 0xb2, 0xff, 50},
+ {EM2874_R80_GPIO, 0xb6, 0xff, 100},
+ { -1, -1, -1, -1},
+ };
+ struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
+ {EM2874_R80_GPIO, 0xa6, 0xff, 100},
+ {EM2874_R80_GPIO, 0xa6, 0xff, 50},
+ {EM2874_R80_GPIO, 0xe6, 0xff, 100},
+ { -1, -1, -1, -1},
+ };
+
+ /*
+ * Init the analog decoder (not yet supported), but
+ * it's probably still a good idea.
+ */
+ struct {
+ unsigned char r[4];
+ int len;
+ } regs[] = {
+ {{ 0x06, 0x02, 0x00, 0x31 }, 4},
+ {{ 0x01, 0x02 }, 2},
+ {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
+ {{ 0x01, 0x00 }, 2},
+ {{ 0x01, 0x00, 0xff, 0xaf }, 4},
+ {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
+ {{ 0x01, 0x00 }, 2},
+ {{ 0x01, 0x00, 0x73, 0xaf }, 4},
+ {{ 0x04, 0x00 }, 2},
+ {{ 0x00, 0x04 }, 2},
+ {{ 0x00, 0x04, 0x00, 0x0a }, 4},
+ {{ 0x04, 0x14 }, 2},
+ {{ 0x04, 0x14, 0x00, 0x00 }, 4},
+ };
+
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
+
+ em28xx_gpio_set(dev, terratec_htc_usb_xs_init);
+
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
+ msleep(10);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
+ msleep(10);
+
+ dev->i2c_client.addr = 0x82 >> 1;
+
+ for (i = 0; i < ARRAY_SIZE(regs); i++)
+ i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
+
+ em28xx_gpio_set(dev, terratec_htc_usb_xs_end);
+};
+
static void pctv_520e_init(struct em28xx *dev)
{
/*
@@ -1155,6 +1216,25 @@ static int em28xx_dvb_init(struct em28xx *dev)
goto out_free;
}
break;
+ case EM2884_BOARD_TERRATEC_HTC_USB_XS:
+ terratec_htc_usb_xs_init(dev);
+
+ /* attach demodulator */
+ dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
+ &dev->i2c_adap);
+ if (!dvb->fe[0]) {
+ result = -EINVAL;
+ goto out_free;
+ }
+
+ /* Attach the demodulator. */
+ if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
+ &dev->i2c_adap,
+ &em28xx_cxd2820r_tda18271_config)) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ break;
default:
em28xx_errdev("/2: The frontend of your DVB/ATSC card"
" isn't supported yet\n");